Invasive balsam woolly adelgid detected in Roscommon County
April 23, 2026
Contact: Cheryl Nelson, 231-287-1714, or Joanne Foreman, 517-284-5814
Balsam woolly adelgid, a tiny, sap-feeding insect that attacks true fir trees, has been detected at the Backus Creek State Game Area in Roscommon County. The Michigan departments of Agriculture and Rural Development and Natural Resources have been managing isolated balsam woolly adelgid infestations in Clare, Missaukee and Oceana counties since 2023. A small infestation found in Kent County in 2021 is believed to be eradicated.
The DNR manages the 4,378-acre Backus Creek SGA, located east of Houghton Lake for forestry and wildlife including waterfowl, upland game birds and deer, and the area is widely used by hunters.
Signs of a potential infestation were noted by a DNR forest technician in early March while conducting initial preparations for a prescribed harvest planned for 2028 to 2030. An insect sample was sent to the U.S. Department of Agriculture, Animal and Plant Health Inspection Service, then forwarded to Smithsonian Institution’s National Museum of Natural History, which provided final verification in late March. |
The DNR manages the 4,378-acre Backus Creek SGA, located east of Houghton Lake for forestry and wildlife including waterfowl, upland game birds and deer, and the area is widely used by hunters.






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